The copy/paste programmer

Before Python 3.1 a convenient (but problematic) way of using nested with statements was to use the standard library provided context manager contextlib.nested. This context manager suggests that it can be used when writing code such as:
As always, the devil is in the details. Since the the calls A() and B() occur before the nested context manager has been created the result of the code above is more like this:...

I recently needed to host a private Git repository on my home server. I also wanted to send commit emails to the two other project members. We all have our email hosted on various servers around the net and a convenient way to send emails to us is to...

I have been using buildbot (and nose) for a little while now and I really like it (I like nose too, just for the record). It's very hackable and I think I will be able to accomplish most, if not all, of the things I want to do with it. One of those...